68381135 has 8 divisors (see below), whose sum is σ = 82185840. Its totient is φ = 54619264.

The previous prime is 68381129. The next prime is 68381147. The reversal of 68381135 is 53118386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68381135 - 2¹⁰ = 68380111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68381095 and 68381104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7082 + ... + 13671.

It is an arithmetic number, because the mean of its divisors is an integer number (10273230).

Almost surely, 2^68381135 is an apocalyptic number.

68381135 is a deficient number, since it is larger than the sum of its proper divisors (13804705).

68381135 is a wasteful number, since it uses less digits than its factorization.

68381135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21417.

The product of its digits is 17280, while the sum is 35.

The square root of 68381135 is about 8269.2886634825. The cubic root of 68381135 is about 408.9266691023.

It can be divided in two parts, 683 and 81135, that added together give a palindrome (81818).

The spelling of 68381135 in words is "sixty-eight million, three hundred eighty-one thousand, one hundred thirty-five".